12557220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 40134528

約数和(自身を除く): 27577308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 947, 1020, 1105, 1326, 1894, 2210, 2652, 2841, 3315, 3788, 4420, 4735, 5682, 6630, 9470, 11364, 12311, 13260, 14205, 16099, 18940, 24622, 28410, 32198, 36933, 48297, 49244, 56820, 61555, 64396, 73866, 80495, 96594, 123110, 147732, 160990, 184665, 193188, 209287, 241485, 246220, 321980, 369330, 418574, 482970, 627861, 738660, 837148, 965940, 1046435, 1255722, 2092870, 2511444, 3139305, 4185740, 6278610, 12557220]

約数ペア:

[(1, 12557220), (2, 6278610), (3, 4185740), (4, 3139305), (5, 2511444), (6, 2092870), (10, 1255722), (12, 1046435), (13, 965940), (15, 837148), (17, 738660), (20, 627861), (26, 482970), (30, 418574), (34, 369330), (39, 321980), (51, 246220), (52, 241485), (60, 209287), (65, 193188), (68, 184665), (78, 160990), (85, 147732), (102, 123110), (130, 96594), (156, 80495), (170, 73866), (195, 64396), (204, 61555), (221, 56820), (255, 49244), (260, 48297), (340, 36933), (390, 32198), (442, 28410), (510, 24622), (663, 18940), (780, 16099), (884, 14205), (947, 13260), (1020, 12311), (1105, 11364), (1326, 9470), (1894, 6630), (2210, 5682), (2652, 4735), (2841, 4420), (3315, 3788)]